insertTextureBarriers(fn);
rZero = new_LValue(fn, FILE_GPR);
+
rZero->reg.data.id = prog->getTarget()->getFileSize(FILE_GPR);
+
return true;
}
NVC0LegalizePostRA::replaceZero(Instruction *i)
{
for (int s = 0; i->srcExists(s); ++s) {
+ if (s == 2 && i->op == OP_SUCLAMP)
+ continue;
ImmediateValue *imm = i->getSrc(s)->asImm();
if (imm && imm->reg.data.u64 == 0)
i->setSrc(s, rZero);
bool handleTXQ(TexInstruction *);
bool handleManualTXD(TexInstruction *);
bool handleATOM(Instruction *);
+ void handleSurfaceOpNVE4(TexInstruction *);
void checkPredicate(Instruction *);
void readTessCoord(LValue *dst, int c);
+ Value *loadResInfo32(Value *ptr, uint32_t off);
+ Value *loadMsInfo32(Value *ptr, uint32_t off);
+
+ void adjustCoordinatesMS(TexInstruction *);
+ void processSurfaceCoordsNVE4(TexInstruction *);
+
private:
const Target *const targ;
BuildUtil bld;
+ Symbol *gMemBase;
LValue *gpEmitAddress;
};
NVC0LoweringPass::NVC0LoweringPass(Program *prog) : targ(prog->getTarget())
{
bld.setProgram(prog);
+ gMemBase = NULL;
}
bool
const int dim = i->tex.target.getDim() + i->tex.target.isCube();
const int arg = i->tex.target.getArgCount();
- if (prog->getTarget()->getChipset() >= 0xe0) {
+ if (prog->getTarget()->getChipset() >= NVISA_GK104_CHIPSET) {
if (i->tex.r == i->tex.s) {
- i->tex.r += 8; // NOTE: offset should probably be a driver option
+ i->tex.r += prog->driver->io.texBindBase / 4;
i->tex.s = 0; // only a single cX[] value possible here
} else {
// TODO: extract handles and use register to select TIC/TSC entries
return true;
}
+inline Value *
+NVC0LoweringPass::loadResInfo32(Value *ptr, uint32_t off)
+{
+ uint8_t b = prog->driver->io.resInfoCBSlot;
+ off += prog->driver->io.suInfoBase;
+ return bld.
+ mkLoadv(TYPE_U32, bld.mkSymbol(FILE_MEMORY_CONST, b, TYPE_U32, off), ptr);
+}
+
+inline Value *
+NVC0LoweringPass::loadMsInfo32(Value *ptr, uint32_t off)
+{
+ uint8_t b = prog->driver->io.msInfoCBSlot;
+ off += prog->driver->io.msInfoBase;
+ return bld.
+ mkLoadv(TYPE_U32, bld.mkSymbol(FILE_MEMORY_CONST, b, TYPE_U32, off), ptr);
+}
+
+/* On nvc0, surface info is obtained via the surface binding points passed
+ * to the SULD/SUST instructions.
+ * On nve4, surface info is stored in c[] and is used by various special
+ * instructions, e.g. for clamping coordiantes or generating an address.
+ * They couldn't just have added an equivalent to TIC now, couldn't they ?
+ */
+#define NVE4_SU_INFO_ADDR 0x00
+#define NVE4_SU_INFO_FMT 0x04
+#define NVE4_SU_INFO_DIM_X 0x08
+#define NVE4_SU_INFO_PITCH 0x0c
+#define NVE4_SU_INFO_DIM_Y 0x10
+#define NVE4_SU_INFO_ARRAY 0x14
+#define NVE4_SU_INFO_DIM_Z 0x18
+#define NVE4_SU_INFO_UNK1C 0x1c
+#define NVE4_SU_INFO_WIDTH 0x20
+#define NVE4_SU_INFO_HEIGHT 0x24
+#define NVE4_SU_INFO_DEPTH 0x28
+#define NVE4_SU_INFO_TARGET 0x2c
+#define NVE4_SU_INFO_CALL 0x30
+#define NVE4_SU_INFO_RAW_X 0x34
+#define NVE4_SU_INFO_MS_X 0x38
+#define NVE4_SU_INFO_MS_Y 0x3c
+
+#define NVE4_SU_INFO__STRIDE 0x40
+
+#define NVE4_SU_INFO_DIM(i) (0x08 + (i) * 8)
+#define NVE4_SU_INFO_SIZE(i) (0x20 + (i) * 4)
+#define NVE4_SU_INFO_MS(i) (0x38 + (i) * 4)
+
+static inline uint16_t getSuClampSubOp(const TexInstruction *su, int c)
+{
+ switch (su->tex.target.getEnum()) {
+ case TEX_TARGET_BUFFER: return NV50_IR_SUBOP_SUCLAMP_PL(0, 1);
+ case TEX_TARGET_RECT: return NV50_IR_SUBOP_SUCLAMP_SD(0, 2);
+ case TEX_TARGET_1D: return NV50_IR_SUBOP_SUCLAMP_SD(0, 2);
+ case TEX_TARGET_1D_ARRAY: return (c == 1) ?
+ NV50_IR_SUBOP_SUCLAMP_PL(0, 2) :
+ NV50_IR_SUBOP_SUCLAMP_SD(0, 2);
+ case TEX_TARGET_2D: return NV50_IR_SUBOP_SUCLAMP_BL(0, 2);
+ case TEX_TARGET_2D_MS: return NV50_IR_SUBOP_SUCLAMP_BL(0, 2);
+ case TEX_TARGET_2D_ARRAY: return NV50_IR_SUBOP_SUCLAMP_SD(0, 2);
+ case TEX_TARGET_2D_MS_ARRAY: return NV50_IR_SUBOP_SUCLAMP_SD(0, 2);
+ case TEX_TARGET_3D: return NV50_IR_SUBOP_SUCLAMP_SD(0, 2);
+ case TEX_TARGET_CUBE: return NV50_IR_SUBOP_SUCLAMP_SD(0, 2);
+ case TEX_TARGET_CUBE_ARRAY: return NV50_IR_SUBOP_SUCLAMP_SD(0, 2);
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+void
+NVC0LoweringPass::adjustCoordinatesMS(TexInstruction *tex)
+{
+ const uint16_t base = tex->tex.r * NVE4_SU_INFO__STRIDE;
+ const int arg = tex->tex.target.getArgCount();
+
+ if (tex->tex.target == TEX_TARGET_2D_MS)
+ tex->tex.target = TEX_TARGET_2D;
+ else
+ if (tex->tex.target == TEX_TARGET_2D_MS_ARRAY)
+ tex->tex.target = TEX_TARGET_2D_ARRAY;
+ else
+ return;
+
+ Value *x = tex->getSrc(0);
+ Value *y = tex->getSrc(1);
+ Value *s = tex->getSrc(arg - 1);
+
+ Value *tx = bld.getSSA(), *ty = bld.getSSA(), *ts = bld.getSSA();
+
+ Value *ms_x = loadResInfo32(NULL, base + NVE4_SU_INFO_MS(0));
+ Value *ms_y = loadResInfo32(NULL, base + NVE4_SU_INFO_MS(1));
+
+ bld.mkOp2(OP_SHL, TYPE_U32, tx, x, ms_x);
+ bld.mkOp2(OP_SHL, TYPE_U32, ty, y, ms_y);
+
+ s = bld.mkOp2v(OP_AND, TYPE_U32, ts, s, bld.loadImm(NULL, 0x7));
+ s = bld.mkOp2v(OP_SHL, TYPE_U32, ts, ts, bld.mkImm(3));
+
+ Value *dx = loadMsInfo32(ts, 0x0);
+ Value *dy = loadMsInfo32(ts, 0x4);
+
+ bld.mkOp2(OP_ADD, TYPE_U32, tx, tx, dx);
+ bld.mkOp2(OP_ADD, TYPE_U32, ty, ty, dy);
+
+ tex->setSrc(0, tx);
+ tex->setSrc(1, ty);
+ tex->moveSources(arg, -1);
+}
+
+// Sets 64-bit "generic address", predicate and format sources for SULD/SUST.
+// They're computed from the coordinates using the surface info in c[] space.
+void
+NVC0LoweringPass::processSurfaceCoordsNVE4(TexInstruction *su)
+{
+ Instruction *insn;
+ const bool atom = su->op == OP_SUREDB || su->op == OP_SUREDP;
+ const bool raw =
+ su->op == OP_SULDB || su->op == OP_SUSTB || su->op == OP_SUREDB;
+ const int idx = su->tex.r;
+ const int dim = su->tex.target.getDim();
+ const int arg = dim + (su->tex.target.isArray() ? 1 : 0);
+ const uint16_t base = idx * NVE4_SU_INFO__STRIDE;
+ int c;
+ Value *zero = bld.mkImm(0);
+ Value *p1 = NULL;
+ Value *v;
+ Value *src[3];
+ Value *bf, *eau, *off;
+ Value *addr, *pred;
+
+ off = bld.getScratch(4);
+ bf = bld.getScratch(4);
+ addr = bld.getSSA(8);
+ pred = bld.getScratch(1, FILE_PREDICATE);
+
+ bld.setPosition(su, false);
+
+ adjustCoordinatesMS(su);
+
+ // calculate clamped coordinates
+ for (c = 0; c < arg; ++c) {
+ src[c] = bld.getScratch();
+ if (c == 0 && raw)
+ v = loadResInfo32(NULL, base + NVE4_SU_INFO_RAW_X);
+ else
+ v = loadResInfo32(NULL, base + NVE4_SU_INFO_DIM(c));
+ bld.mkOp3(OP_SUCLAMP, TYPE_S32, src[c], su->getSrc(c), v, zero)
+ ->subOp = getSuClampSubOp(su, c);
+ }
+ for (; c < 3; ++c)
+ src[c] = zero;
+
+ // set predicate output
+ if (su->tex.target == TEX_TARGET_BUFFER) {
+ src[0]->getInsn()->setFlagsDef(1, pred);
+ } else
+ if (su->tex.target.isArray()) {
+ p1 = bld.getSSA(1, FILE_PREDICATE);
+ src[dim]->getInsn()->setFlagsDef(1, p1);
+ }
+
+ // calculate pixel offset
+ if (dim == 1) {
+ if (su->tex.target != TEX_TARGET_BUFFER)
+ bld.mkOp2(OP_AND, TYPE_U32, off, src[0], bld.loadImm(NULL, 0xffff));
+ } else
+ if (dim == 3) {
+ v = loadResInfo32(NULL, base + NVE4_SU_INFO_UNK1C);
+ bld.mkOp3(OP_MADSP, TYPE_U32, off, src[2], v, src[1])
+ ->subOp = NV50_IR_SUBOP_MADSP(4,2,8); // u16l u16l u16l
+
+ v = loadResInfo32(NULL, base + NVE4_SU_INFO_PITCH);
+ bld.mkOp3(OP_MADSP, TYPE_U32, off, off, v, src[0])
+ ->subOp = NV50_IR_SUBOP_MADSP(0,2,8); // u32 u16l u16l
+ } else {
+ assert(dim == 2);
+ v = loadResInfo32(NULL, base + NVE4_SU_INFO_PITCH);
+ bld.mkOp3(OP_MADSP, TYPE_U32, off, src[1], v, src[0])
+ ->subOp = su->tex.target.isArray() ?
+ NV50_IR_SUBOP_MADSP_SD : NV50_IR_SUBOP_MADSP(4,2,8); // u16l u16l u16l
+ }
+
+ // calculate effective address part 1
+ if (su->tex.target == TEX_TARGET_BUFFER) {
+ if (raw) {
+ bf = src[0];
+ } else {
+ v = loadResInfo32(NULL, base + NVE4_SU_INFO_FMT);
+ bld.mkOp3(OP_VSHL, TYPE_U32, bf, src[0], v, zero)
+ ->subOp = NV50_IR_SUBOP_V1(7,6,8|2);
+ }
+ } else {
+ Value *y = src[1];
+ Value *z = src[2];
+ uint16_t subOp = 0;
+
+ switch (dim) {
+ case 1:
+ y = zero;
+ z = zero;
+ break;
+ case 2:
+ z = off;
+ if (!su->tex.target.isArray()) {
+ z = loadResInfo32(NULL, base + NVE4_SU_INFO_UNK1C);
+ subOp = NV50_IR_SUBOP_SUBFM_3D;
+ }
+ break;
+ default:
+ subOp = NV50_IR_SUBOP_SUBFM_3D;
+ assert(dim == 3);
+ break;
+ }
+ insn = bld.mkOp3(OP_SUBFM, TYPE_U32, bf, src[0], y, z);
+ insn->subOp = subOp;
+ insn->setFlagsDef(1, pred);
+ }
+
+ // part 2
+ v = loadResInfo32(NULL, base + NVE4_SU_INFO_ADDR);
+
+ if (su->tex.target == TEX_TARGET_BUFFER) {
+ eau = v;
+ } else {
+ eau = bld.mkOp3v(OP_SUEAU, TYPE_U32, bld.getScratch(4), off, bf, v);
+ }
+ // add array layer offset
+ if (su->tex.target.isArray()) {
+ v = loadResInfo32(NULL, base + NVE4_SU_INFO_ARRAY);
+ if (dim == 1)
+ bld.mkOp3(OP_MADSP, TYPE_U32, eau, src[1], v, eau)
+ ->subOp = NV50_IR_SUBOP_MADSP(4,0,0); // u16 u24 u32
+ else
+ bld.mkOp3(OP_MADSP, TYPE_U32, eau, v, src[2], eau)
+ ->subOp = NV50_IR_SUBOP_MADSP(0,0,0); // u32 u24 u32
+ // combine predicates
+ assert(p1);
+ bld.mkOp2(OP_OR, TYPE_U8, pred, pred, p1);
+ }
+
+ if (atom) {
+ Value *lo = bf;
+ if (su->tex.target == TEX_TARGET_BUFFER) {
+ lo = zero;
+ bld.mkMov(off, bf);
+ }
+ // bf == g[] address & 0xff
+ // eau == g[] address >> 8
+ bld.mkOp3(OP_PERMT, TYPE_U32, bf, lo, bld.loadImm(NULL, 0x6540), eau);
+ bld.mkOp3(OP_PERMT, TYPE_U32, eau, zero, bld.loadImm(NULL, 0x0007), eau);
+ } else
+ if (su->op == OP_SULDP && su->tex.target == TEX_TARGET_BUFFER) {
+ // Convert from u32 to u8 address format, which is what the library code
+ // doing SULDP currently uses.
+ // XXX: can SUEAU do this ?
+ // XXX: does it matter that we don't mask high bytes in bf ?
+ // Grrr.
+ bld.mkOp2(OP_SHR, TYPE_U32, off, bf, bld.mkImm(8));
+ bld.mkOp2(OP_ADD, TYPE_U32, eau, eau, off);
+ }
+
+ bld.mkOp2(OP_MERGE, TYPE_U64, addr, bf, eau);
+
+ if (atom && su->tex.target == TEX_TARGET_BUFFER)
+ bld.mkOp2(OP_ADD, TYPE_U64, addr, addr, off);
+
+ // let's just set it 0 for raw access and hope it works
+ v = raw ?
+ bld.mkImm(0) : loadResInfo32(NULL, base + NVE4_SU_INFO_FMT);
+
+ // get rid of old coordinate sources, make space for fmt info and predicate
+ su->moveSources(arg, 3 - arg);
+ // set 64 bit address and 32-bit format sources
+ su->setSrc(0, addr);
+ su->setSrc(1, v);
+ su->setSrc(2, pred);
+}
+
+void
+NVC0LoweringPass::handleSurfaceOpNVE4(TexInstruction *su)
+{
+ processSurfaceCoordsNVE4(su);
+
+ // Who do we hate more ? The person who decided that nvc0's SULD doesn't
+ // have to support conversion or the person who decided that, in OpenCL,
+ // you don't have to specify the format here like you do in OpenGL ?
+
+ if (su->op == OP_SULDP) {
+ // We don't patch shaders. Ever.
+ // You get an indirect call to our library blob here.
+ // But at least it's uniform.
+ FlowInstruction *call;
+ LValue *p[3];
+ LValue *r[5];
+ uint16_t base = su->tex.r * NVE4_SU_INFO__STRIDE + NVE4_SU_INFO_CALL;
+
+ for (int i = 0; i < 4; ++i)
+ (r[i] = bld.getScratch(4, FILE_GPR))->reg.data.id = i;
+ for (int i = 0; i < 3; ++i)
+ (p[i] = bld.getScratch(1, FILE_PREDICATE))->reg.data.id = i;
+ (r[4] = bld.getScratch(8, FILE_GPR))->reg.data.id = 4;
+
+ bld.mkMov(p[1], bld.mkImm((su->cache == CACHE_CA) ? 1 : 0), TYPE_U8);
+ bld.mkMov(p[2], bld.mkImm((su->cache == CACHE_CG) ? 1 : 0), TYPE_U8);
+ bld.mkMov(p[0], su->getSrc(2), TYPE_U8);
+ bld.mkMov(r[4], su->getSrc(0), TYPE_U64);
+ bld.mkMov(r[2], su->getSrc(1), TYPE_U32);
+
+ call = bld.mkFlow(OP_CALL, NULL, su->cc, su->getPredicate());
+
+ call->indirect = 1;
+ call->absolute = 1;
+ call->setSrc(0, bld.mkSymbol(FILE_MEMORY_CONST,
+ prog->driver->io.resInfoCBSlot, TYPE_U32,
+ prog->driver->io.suInfoBase + base));
+ call->setSrc(1, r[2]);
+ call->setSrc(2, r[4]);
+ for (int i = 0; i < 3; ++i)
+ call->setSrc(3 + i, p[i]);
+ for (int i = 0; i < 4; ++i) {
+ call->setDef(i, r[i]);
+ bld.mkMov(su->getDef(i), r[i]);
+ }
+ call->setDef(4, p[1]);
+ delete_Instruction(bld.getProgram(), su);
+ }
+
+ if (su->op == OP_SUREDB || su->op == OP_SUREDP) {
+ Value *pred = su->getSrc(2);
+ CondCode cc = CC_NOT_P;
+ if (su->getPredicate()) {
+ pred = bld.getScratch(1, FILE_PREDICATE);
+ cc = su->cc;
+ if (cc == CC_NOT_P) {
+ bld.mkOp2(OP_OR, TYPE_U8, pred, su->getPredicate(), su->getSrc(2));
+ } else {
+ bld.mkOp2(OP_AND, TYPE_U8, pred, su->getPredicate(), su->getSrc(2));
+ pred->getInsn()->src(1).mod = Modifier(NV50_IR_MOD_NOT);
+ }
+ }
+ Instruction *red = bld.mkOp(OP_ATOM, su->dType, su->getDef(0));
+ red->subOp = su->subOp;
+ if (!gMemBase)
+ gMemBase = bld.mkSymbol(FILE_MEMORY_GLOBAL, 0, TYPE_U32, 0);
+ red->setSrc(0, gMemBase);
+ red->setSrc(1, su->getSrc(3));
+ if (su->subOp == NV50_IR_SUBOP_ATOM_CAS)
+ red->setSrc(2, su->getSrc(4));
+ red->setIndirect(0, 0, su->getSrc(0));
+ red->setPredicate(cc, pred);
+ delete_Instruction(bld.getProgram(), su);
+ } else {
+ su->sType = (su->tex.target == TEX_TARGET_BUFFER) ? TYPE_U32 : TYPE_U8;
+ }
+}
+
bool
NVC0LoweringPass::handleWRSV(Instruction *i)
{
case OP_ATOM:
handleATOM(i);
break;
+ case OP_SULDB:
+ case OP_SULDP:
+ case OP_SUSTB:
+ case OP_SUSTP:
+ case OP_SUREDB:
+ case OP_SUREDP:
+ if (targ->getChipset() >= NVISA_GK104_CHIPSET)
+ handleSurfaceOpNVE4(i->asTex());
+ break;
default:
break;
}
projects / mesa.git / commitdiff